Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 20-02-2020 and time 09:32:21 (Italy) in region 2 km NW Sant'Omero (TE)

A magnitude ML 1.5 earthquake occured in region: 2 km NW Sant'Omero (TE), on

  • 20-02-2020 08:32:21 (UTC)
  • 20-02-2020 09:32:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.7840 at 27 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Sant'Omero TE 2 5243 5243
Torano Nuovo TE 3 1611 6854
Nereto TE 4 5242 12096
Corropoli TE 5 5045 17141
Ancarano TE 6 1857 18998
Bellante TE 6 7152 26150
Sant'Egidio alla Vibrata TE 6 9811 35961
Controguerra TE 7 2436 38397
Maltignano AP 9 2401 40798
Colli del Tronto AP 9 3668 44466
Castel di Lama AP 10 8634 53100
Civitella del Tronto TE 10 5116 58216
Mosciano Sant'Angelo TE 10 9308 67524
Spinetoli AP 10 7215 74739
Tortoreto TE 11 11542 86281
Colonnella TE 11 3734 90015
Campli TE 11 7209 97224
Monsampolo del Tronto AP 11 4611 101835
Alba Adriatica TE 12 12353 114188
Castorano AP 12 2380 116568
Folignano AP 13 9241 125809
Castellalto TE 14 7513 133322
Monteprandone AP 14 12655 145977
Martinsicuro TE 15 16033 162010
Appignano del Tronto AP 15 1785 163795
Giulianova TE 15 24050 187845
Acquaviva Picena AP 17 3831 191676
Teramo TE 17 54892 246568
Canzano TE 17 1934 248502
Offida AP 17 5058 253560
Notaresco TE 18 6907 260467
Ascoli Piceno AP 18 49407 309874
San Benedetto del Tronto AP 18 47303 357177
Morro d'Oro TE 19 3661 360838
Torricella Sicura TE 19 2641 363479

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Teramo (54892 inhabitants)
43 Km NW of Montesilvano (53738 inhabitants)
51 Km NW of Pescara (121014 inhabitants)
59 Km NW of Chieti (51815 inhabitants)
59 Km NE of L'Aquila (69753 inhabitants)
90 Km E of Foligno (57155 inhabitants)
94 Km S of Ancona (100861 inhabitants)
97 Km E of Terni (111501 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000 		ML 1.5 2020-02-20
08:32:21		 42.7982 13.7842 27 2020-07-18
21:08:26		 Bollettino Sismico Italiano INGV 77382931
Reviewed
Rev100 		ML 1.5 2020-02-20
08:32:21		 42.7927 13.7918 29 2020-02-20
08:46:58		 Sala Sismica INGV-Roma 76667371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-20 08:32:21 ± 0.16
Latitude 42.7982 ± 0.0054
Longitude 13.7842 ± 0.0074
Depth (km) 27 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77382931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 452
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.56298
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77382931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-19 17:48:57

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 12
Type of magnitude ML
Reference to an origin 76667371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-20 08:46:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.MUGIO.HHZ. 2020-02-20T08:34:20.08 3.0 undecidable manual Sn -9.99 0
IV.BOZZ.HNZ. 2020-02-20T08:34:08.03 3.0 undecidable manual Sg 7.61 0
IV.CRMI.HHZ. 2020-02-20T08:33:38.37 3.0 undecidable manual Sg 3.94 0
IV.FIR.HHZ. 2020-02-20T08:33:26.97 3.0 undecidable manual Sg -2.92 0
IV.MCRV.HHZ. 2020-02-20T08:33:24.73 3.0 undecidable manual Sn -2.21 0
IV.TDS.HHZ. 2020-02-20T08:33:20.87 3.0 undecidable manual Pn 2.94 0
IV.VITU.HHZ. 2020-02-20T08:33:17.90 3.0 undecidable manual Sg 3.94 0
GU.GRAM.HHZ. 2020-02-20T08:33:14.24 3.0 negative manual Pn -1.06 0
IV.NEVI.HNZ. 2020-02-20T08:33:12.99 3.0 negative manual Pn -0.96 0
IV.SERM.HNZ. 2020-02-20T08:33:05.51 3.0 negative manual Pn -5.41 0
IV.IMOL.EHZ. 2020-02-20T08:33:03.74 3.0 positive manual Pg 2.42 0
IT.VNF1.HGZ. 2020-02-20T08:33:01.92 3.0 undecidable manual Sg -2.45 0
IV.MCRV.HHZ. 2020-02-20T08:33:01.05 3.0 undecidable manual Pg 2.56 0
CR.BRJN.HHZ. 2020-02-20T08:33:01.12 3.0 undecidable manual Pg 0.56 0
IV.PTRJ.HHZ. 2020-02-20T08:32:49.07 3.0 undecidable manual Pg 0.56 0
IV.APRC.HHZ. 2020-02-20T08:32:47.25 3.0 undecidable manual Pn -3.31 0
IV.FDMO.HHZ. 2020-02-20T08:32:41.70 0.6 undecidable manual S 295 62.493 107 0.06 47
IV.CSP1.EHZ. 2020-02-20T08:32:40.50 0.6 undecidable manual S 305 57.1983 109 0.19 46
IV.NRCA.HHZ. 2020-02-20T08:32:39.70 0.3 undecidable manual S 274 54.6009 110 0.04 71
IV.GIGS.HHZ. 2020-02-20T08:32:37.00 0.3 undecidable manual S 204 41.9247 117 0.45 65
IV.CAMP.HHZ. 2020-02-20T08:32:36.60 0.3 undecidable manual S 227 42.2244 117 -0.01 72
IV.SMA1.EHZ. 2020-02-20T08:32:36.40 0.6 undecidable manual S 243 41.0256 117 0.07 48
IV.MMO1.EHZ. 2020-02-20T08:32:35.60 0.3 undecidable manual S 287 38.8278 119 -0.21 70
IV.MF5.EHZ. 2020-02-20T08:32:35.00 0.3 undecidable manual S 309 33.744 123 0.36 69
IV.MTRA.EHZ. 2020-02-20T08:32:33.80 0.6 undecidable manual S 262 31.8459 125 -0.43 45
IV.NRCA.HHZ. 2020-02-20T08:32:32.01 0.3 undecidable manual P 274 54.6009 110 -0.12 69
IV.FDMO.HHZ. 2020-02-20T08:32:32.70 0.3 undecidable manual P 295 62.493 107 -0.57 60
IV.TERO.HHZ. 2020-02-20T08:32:32.50 0.3 undecidable manual S 217 24.3534 133 -0.17 74
IV.CSP1.EHZ. 2020-02-20T08:32:32.37 0.1 undecidable manual P 305 57.1983 109 -0.13 91
IV.OFFI.HHZ. 2020-02-20T08:32:31.70 0.6 undecidable manual S 332 17.1717 144 0.31 48
IV.VCEL.EHZ. 2020-02-20T08:32:31.12 0.6 undecidable manual P 174 45.0216 115 0.36 45
IV.GUMA.HHZ. 2020-02-20T08:32:31.41 0.6 undecidable manual P 309 46.8198 114 0.4 45
IV.TRTR.HHZ. 2020-02-20T08:32:30.30 0.6 undecidable manual S 84 10.5783 156 -0.22 49
IV.CAMP.HHZ. 2020-02-20T08:32:30.35 0.3 undecidable manual P 227 42.2244 117 -0.02 73
IV.SMA1.EHZ. 2020-02-20T08:32:30.12 0.1 negative manual P 243 41.0256 117 -0.09 96
IV.GIGS.HHZ. 2020-02-20T08:32:30.60 0.6 undecidable manual P 204 41.9247 117 0.26 46
IV.MF5.EHZ. 2020-02-20T08:32:29.34 0.1 positive manual P 309 33.744 123 0.11 97
IV.MNTT.EHZ. 2020-02-20T08:32:29.75 0.6 undecidable manual P 332 33.0447 124 0.61 43
IV.MMO1.EHZ. 2020-02-20T08:32:29.72 0.3 undecidable manual P 287 38.8278 119 -0.19 70
IV.TERO.HHZ. 2020-02-20T08:32:28.06 0.1 undecidable manual P 217 24.3534 133 -0.03 100
IV.MTRA.EHZ. 2020-02-20T08:32:28.76 0.1 undecidable manual P 262 31.8459 125 -0.24 94
IV.OFFI.HHZ. 2020-02-20T08:32:27.50 0.3 undecidable manual P 332 17.1717 144 0.14 74
IV.TRTR.HHZ. 2020-02-20T08:32:26.73 0.1 negative manual P 84 10.5783 156 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRTR.HHN. ML:0.0 0.0007494109499999999 0.96 AML other m 2020-02-20T08:32:30.50
IV.TRTR.HHE. ML:0.0 0.0013793324999999998 0.32 AML other m 2020-02-20T08:32:30.66
IV.TERO.HHE. ML:0.0 0.00010149752 0.0768 AML other m 2020-02-20T08:32:32.76
IV.TERO.HHN. ML:0.0 0.00009636702 0.0832 AML other m 2020-02-20T08:32:32.81
IV.MTRA.HNN. ML:0.0 0.00015238580000000003 0.1632 AML other m 2020-02-20T08:32:33.43
IV.MTRA.EHE. ML:0.0 0.00007459795 0.1792 AML other m 2020-02-20T08:32:34.45
IV.MF5.EHE. ML:0.0 0.000080912915 0.8192 AML other m 2020-02-20T08:32:35.69
IV.MTRA.HNE. ML:0.0 0.00014060242 0.4032 AML other m 2020-02-20T08:32:35.12
IV.MTRA.EHN. ML:0.0 0.00008493388 0.2816 AML other m 2020-02-20T08:32:36.18
IV.SMA1.EHE. ML:0.0 0.000048725575 1.056 AML other m 2020-02-20T08:32:36.29
IV.MF5.EHN. ML:0.0 0.000099347155 0.976 AML other m 2020-02-20T08:32:36.18
IV.SMA1.EHN. ML:0.0 0.000067464045 0.1984 AML other m 2020-02-20T08:32:36.73
IV.CSP1.EHN. ML:0.0 0.00008416736 0.88 AML other m 2020-02-20T08:32:40.50
IV.CSP1.EHE. ML:0.0 0.00006052344 0.224 AML other m 2020-02-20T08:32:41.24
IV.FDMO.HHN. ML:0.0 0.000011146488500000001 0.7552 AML other m 2020-02-20T08:32:42.13
IV.FDMO.HHE. ML:0.0 0.000025992260000000002 1.3824 AML other m 2020-02-20T08:32:43.98
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download